Finding the Fourth Proportional to 1,542,340.74, 2,128,127.75 and 969,048.75
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Solution
The fourth proportional to 1,542,340.74, 2,128,127.75 and 969,048.75 is: 1,337,097.23
Step by Step Solution
- Step 1: Write the proportion equation
1,542,340.74 : 2,128,127.75 = 969,048.75 : x - Step 2: Convert to fraction form
1,542,340.74/2,128,127.75 = 969,048.75/x - Step 3: Cross multiply
1,542,340.74x = 2,128,127.75 × 969,048.75 - Step 4: Simplify right side
1,542,340.74x = 2,062,259,531,132.57 - Step 5: Solve for x
x = 2,062,259,531,132.57/1,542,340.74 - Step 6: Final answer
x = 1,337,097.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.